CN1324439A - Tubing for lining pipes and method for producing the same - Google Patents
Tubing for lining pipes and method for producing the same Download PDFInfo
- Publication number
- CN1324439A CN1324439A CN99812606A CN99812606A CN1324439A CN 1324439 A CN1324439 A CN 1324439A CN 99812606 A CN99812606 A CN 99812606A CN 99812606 A CN99812606 A CN 99812606A CN 1324439 A CN1324439 A CN 1324439A
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- China
- Prior art keywords
- interior pipe
- separation layer
- pipe
- pipe material
- interior
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
- F16L55/165—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section
- F16L55/1651—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section the flexible liner being everted
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
- F16L55/165—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section
- F16L55/1656—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section materials for flexible liners
Abstract
The invention relates to a tubing arrangement for lining pipes, to a method for producing the same and to a method for lining pipes. The invention especially relates to superpressure pipes with an internal working pressure of greater than 16 bar. In order to prevent the pipe tubing from being damaged in the case of accidents or when the pipes are placed out of service, the tubing (1) has a barrier layer (1b) which has a gas permeation of less than 1 ml/(bar d m<2>) for nonpolar gases and of less than 0.1 ml/(bar d m<2>) for polar gases. Preferably, the gas permeation ranges from 0.0001 ml/(bar d m<2>) to 0.01 ml/(bar d m<2>).
Description
The present invention relates to do the interior pipe of lining, the production method and the lining method of this interior pipe to pipe.Main application fields is a pipeline, the fluid in pipeline under the transportation high pressure, for example rock gas.
Known method is by upset, will do in the external coated interior pipe introducing pipe of lining to the porose pipe of starting end, and the outer surface of interior pipe turns and bonds to will be by on the tube inner wall of lining.Yet, also can introduce in the pipe interior pipe bonding then by drawing in (not upset).
Existing known interior pipe mainly is made of the textile with coating, and described coating is squeezed on the textile and by thermoplastic material and forms.This coating forms the inwall of lined duct.Utilize Bond interior pipe to be connected on the whole surface of pipe, the inner tube structure of lining is done in formation to pipe, described Bond is between tube inner wall and thermoplastic material (that is, textile soaks into for virtually completely bonded dose, does not form the passage that can cause fluid leaks).Coating is used to upset (only under the situation of upset) and hardening process especially, promptly exerts pressure by the inside of inside pipe, and interior pipe presses the internal surface of pipe, thereby forms permanent bonding between interior pipe and pipe.Here, coating prevents that air, steam even water from seeing through knitting, is mixed with Bond, thereby weakened the quality of Bond in the coating.
Under the situation of high operating pressure,, no longer used known flexible hose recovery technique approximately greater than 16bar.Reason is, for example in the operation troubles of superpressure solenoid, pressure descends suddenly, and interior pipe is from tube wall " explosion " or separate with the form of bubble in some zone at least.Its reason is as follows: though coating enough stably be connected with knitting, to bear the internal pressure in the bushing pipe that comes into operation once more.Because coating has certain air penetrability usually, in long-time the use, as the result of diffusion process, fluid, for example rock gas can permeation coating.Therefore, the hole in hole in the Bond itself or the textile that do not have fully to soak into Bond has the pressure identical with pressure in the pipeline that is applied on them.
As long as operating pressure remains unchanged, pressure balanced result is desired not damaging, damage but in the situation that pressure descends suddenly some may take place, for example there is the operation troubles of damaging or other being arranged in pipe, even is at the take-off pipe period of the day from 11 p.m. to 1 a.m that is in operation in accordance with regulations sometimes.In this case, whole service pressure persists in the previously described hole, because this pressure can not be by being coated with course pipe central authorities, promptly will overflow fast with the flow region of the fluid of pipe transportation.The zone of while between tube wall and coating, the operating pressure of superpressure pipe continues to be held, and at flow region, for example only is barometric pressure.The result of this low opposition pressure is, the gas that is enclosed in the hole begins inflation process, this process and interior pipe break (forming projection) in addition interior pipe lining is torn from the tube wall relevant fully.
The objective of the invention is to want to offer manufacture method and the lining method that pipe is done the interior pipe of lining, this interior pipe, when the pressure in the flow region descends, can not bring any damage of lining and relevant therewith Security and expense risk.
Can realize above-mentioned purpose by the interior pipe relevant, the lining method that manufacture method reaches and claim 26 is relevant relevant with claim 19 with claim 1.
Relevant with interior pipe material, separation layer have for the non-polar gas material less than 1ml/ (bar d m
2) air penetrability and for the polar gas material less than 0.1ml/ (bar dm
2) air penetrability (d=days), therefore the infiltration of the internal pipe of gas just has been prevented from the early stage, perhaps the speed between sub-inwall of gaseous diffusion inlet pipe and the flow region is reduced to such degree, even after using for many years continuously, for example 50 years, pressure in the interior pipe inside descends suddenly, also can not cause any damage to lining.
Provided useful improvement of the present invention in the dependent claims.
To the air penetrability of nonpolar and polar gas material at 0.0001ml/ (bar d m
2) and 0.01ml/ (bar d m
2) between separation layer be preferred.
A concrete preferred embodiment of the interior pipe of realizing as interior pipe composition provides above-mentioned air penetrability, and interior pipe composition is a multi-layer structure, and wherein one deck constitutes separation layer.This makes traditional flexible hose can also continue on for interior pipe of the present invention, and described traditional flexible hose scribbles other thermoplastic material and has inadequate anti-diffusion according to prior art in extrusion press.In the present embodiment, only be the buffer action that separation layer has caused pipe in the present invention.
Separation layer preferably is made of metal, especially aluminium, titanium, copper, iron, zinc, nickel, lead, chromium or iron-zinc and Lead-tin alloy.The thickness of separation layer be preferably in 10 and 100um between.
Other suitable material that is used for separation layer is organic substance and inorganic substances, organic substance such as polyvinyl alcohol, liquid-crystalline polymer, polyamide, polyacrylonitrile, polyvinyl dichloride or organo-silicon compound, inorganic substances such as silica (SiOx, wherein x≤2) or aluminium oxide.In order to reduce air penetrability, even can produce separation layer by the thermoplastic material that is mixed with alumina particles by extrusion coating.
Not frayed or peel off for protecting insulating layer, can provide protective layer at its radially inner side, for example apply described protective layer by extruding or dip-coating.The suitable material that is used for this protective layer, for gas piping with in some cases for high pressure waste water pipeline, be polyurethane, especially with its form as thermoplastic polyurethane rubber (TPU), and polyester, especially with its form as thermoplastic rubber of polyetherester (TPE); For potable water, tap water, long distance heating and high pressure waste water pipeline in some cases, be copolymer and thermoplastic polyolefin hydrocarbon rubbers (TPO), thermoplastic styrene-butadiene or styrene-ethylene-propylene copolymer (TPS) and the polypropylene and the cross-linked ethylene-propylene diene copolymerized thing (TPV) of the polyolefin, ethene and other alpha-olefin that comprise polyethylene (PE).
The Bond itself that is used for fixing the interior pipe of pipeline inner wall has low air penetrability, causes it to form at least a portion of separation layer.The fabric of pipe material in thereby available material airtight basically and that also form at least a portion of separation layer soaks into.At last, in order to reduce ventilating performance, fabric itself is made up of low diffusion silk, for example glass fibre or aramid fibre.
Can produce separation layer by utilizing the interior pipe material of vacuum moulding machine coating.
If separation layer is made of metal, can apply by electroplanting device.For this reason, at first utilize oxidizing solution (for example, chromic acid) pretreatment thermoplastic coating.Then the very small amount of palladium of wet chemical deposition also has nickel if possible, and to produce conductive layer, the thickness of this layer is about 0.1-0.2um.Then, the desirable metal of electro-deposition one deck, its thickness is between scope 10 and 100um.
Can produce separation layer like this, before interior pipe material is introduced into pipe, in the band shape paper tinsel of low air penetrability material is wrapped on the pipe material, perhaps after interior pipe material is introduced into pipe, the total inner surface of pipe material in covering.
The useful improvement of another of manufacture method regulation, also may be that the uncoated flexible hose of prior art is covered low air penetrability and forms on the tubular lining of separation layer by leaving behind at interior pipe material, is perhaps drawn in tubular lining.Covered the tubular lining that forms as by aluminium foil if interior pipe material leaves behind, then the interior pipe that produces like this can be drawn in pipe.On the other hand, if interior pipe utilizes inversion method to enter pipe, it is useful that interior pipe material is drawn in tubular lining, and tubular lining can be formed by aluminium foil or other low air penetrability material.
Another preferred embodiment regulation, pipe material at first pipe is lined with, interior pipe material to the air penetrability of polarity and non-polar gas material greater than 1ml/ (bar d m
2), separation layer is applied on the internal surface of interior pipe material afterwards.Utilize this method, interior pipe of the present invention is only finished in the lining manufacturing process, and it is just unnecessary that therefore existing interior pipe is assembled, and only carry out at the manufacturing scene.Yet owing to may overturn under pressure and be glued onto on the tube wall, interior pipe material must be no more than the standard air penetrability, and it is necessary that interior pipe material has minimum airtight performance.
In this respect, if separation layer sprays up with liquid state, then especially useful.The mode that this method can on cost be optimized is adjusted to the specified operation pressure of corresponding pipe and the working life of desirable pipe liners to the thickness of separation layer.
Provided more preferred implementation in remaining dependent claims.
Explain the present invention by means of several accompanying drawings below.Accompanying drawing illustrates:
The drawing in side sectional elevation of pipe in Fig. 1 a is of the present invention,
Fig. 1 b is lined with the drawing in side sectional elevation of the pipe of interior pipe of the present invention,
Fig. 2 utilizes the introducing auxiliary device that tubular lining is drawn in pipe,
Fig. 3 utilizes the simplified diagram of the technology of the inventive method lining.
The interior pipe material 1a of interior pipe 1 is secured on the separation layer 1b of interior pipe.Interior pipe material is made of textile.Certainly, also can provide knitwear or some other material, internal pipe material material, it is favourable that energy soaks into for bonded dose.Yet interior pipe material also can be a multi-layer structure.In this case, except fabric, can also may be that the additional layer of thermoplastic material is squeezed on the fabric with one.At the rigging position of the interior pipe shown in Fig. 1 b, the interface zone in extrusion coating can be arranged between pipe material 1a and the separation layer 1b.The pipe material package is drawn together the layer that is for example formed by thermoplastic polyurethane resin, preferably air penetrability＜250ml/ (bar d m in such multilayer
2).In Fig. 1 a and 1b, separation layer is made of aluminium.The thickness of aluminium lamination is between 50 to 200um.And separation layer also can be formed by a plurality of layers, and for example, separation layer is formed by the aluminium foil in the one or both sides coating.
Fig. 1 b shows inner tube structure or the lining that is formed by interior pipe 1, utilizes Bond, and this inner tube structure is connected on the whole surface of inwall of pipe or pipeline 2.Soak into interior pipe material 1a with Bond, and Bond places adhesive layer 3.Adhesive layer 3 and be not complete atresia with interior pipe material 1a that Bond soaks into; On the contrary, between tube wall and interior pipe material 1a, there is bigger hole.These holes cause the rending effect of pipe in the application's tradition described in the prior, and described rending effect takes place when the pipe material is to the flow region compensatory pressure in the interior pressure P1 in fluid flow region territory 7 descends rapidly so that no longer may soak into from adhesive layer or Bond by inner tubal wall.Press the situation of P1＞16bar in pipe is particularly useful in of the present invention.
When the non-polar gas in service at pipeline is present in the pipeline, the separation layer 1b of interior pipe 1 to the air penetrability of these gases less than 1ml/ (bar d m
2), perhaps when having polar gas, to the air penetrability of this gas less than 0.1ml/ (bar d m
2), promptly in running state, be under the situation of P1 at pressure, it is very little that the radial penetration of the gas of flow region 7 is compared with the interior pipe of prior art.Therefore compare with the interior pipe of prior art, pipe material 1a or adhesive layer 3 carried out very slowly in gas diffused into from flow region 7.Yet, if air penetrability is only at 0.0001ml/ (bar d m
2) and 0.01ml/ (bar d m
2) between be more favourable.
Various in Bond forms the production of 2 liners of pipe shown in Fig. 1 b the method for pipe 1 all be fine.
Separation layer 1b can be coated on the interior pipe material 1a by vacuum moulding machine.This is particularly advantageous in produces the aluminium separation layer.
Yet the tubular lining that covers low air penetrability with interior pipe material 1a also is fine, and described tubular lining forms separation layer subsequently.This variation is considered to be applicable to all insolated layer materials of mentioning in this application.Like this, interior pipe material 1a is left behind to be covered on the tubular lining 1b, and described tubular lining can form and become separation layer by aluminium foil, (if interior pipe is not to introduce in the pipe 2 by upset, this variation is favourable).If,, can draw in interior pipe material in the tubular lining with low air penetrability for fear of unnecessary upset technology by what interior pipe 1 is turned to pipeline 2 linings.By carrying out bonding separation layer and interior pipe material can being linked together with reactive, pressure-sensitive, contact or hot-melt adhesive.
Yet, will have band shape aluminium foil low air penetrability, that form separation layer 1b and also be fine on the pipe material 1a in being wrapped in, for example with the form of spiral.For this reason, will coat Bond on the outer surface with shape aluminium foil or interior pipe material in advance.(the subsidiary explanation: in this application, " low air penetrability " always is interpreted as that air penetrability is less than 1ml/ (bar d m
2)).
And separation layer also can be applied on the interior pipe material by extruding.For this reason, interior pipe material is pulled through the squeezing unit of prior art, the coated separation layer of going up of interior pipe material.For example, this separation layer may be the thermoplastic material that is mixed with alumina particles.And, can produce separation layer by PVA (polyvinyl alcohol), liquid-crystalline polymer (LC polymer), PA (polyamide), polyacrylonitrile, PVDC (polyvinyl dichloride) or organo-silicon compound.No matter can carry out the extruding of separation layer in various on the pipe material, be in the individual layer that can be formed by knitting on the pipe material or be coated with in the multilayer of thermoplastic material for example on the pipe material (simultaneously or connect co-extrusion pressure) in extrusion process.
Fig. 2 and 3 shows the different modes of giving pipe 2 linings with the interior pipe 1 that forms separation layer or interior pipe material 1a or tubular lining.
For example, can interior pipe 1 be drawn in pipe 2 by means of the stretching capstan winch.At this, at first on interior pipe outside and/or tube wall, provide Bond.Bond herein is liquid that applies or the adhesive layer that melts under heat effect.After adhesive stripe-coating layer or Bond, interior pipe 1 is drawn in pipe 2, and by the inside of inside pipe exert pressure make in pipe be bonded to basically on the whole surface of inwall of pipe 2.
Fig. 3 shows the technology of utilizing method for turning that interior pipe 1 is provided for pipeline 2 linings.Herein, interior pipe 1 turns and enters pipe 2, and pipe 2 is porose at its starting end and tail end respectively.Before upset technology, interior pipe 1 inboard is coated with full Bond 3, and an end of pipe is annular and the starting end that is pasting pipe airtightly in making, pressure medium P enters into position 4 from the outside of pipe, in pipe 1 circularize in this fixed-site, by upset subsequently, interior pipe 1 lining is on pipe 2.
To promptly by board pulling method or inversion method, determine that separation layer is applied to the mode on the interior pipe material according to the type of lining technology.Should apply in such a way, promptly when interior pipe is positioned at its final position, (see Fig. 1 b), the innermost layer of pipe in separation layer 1b forms.
Yet, each layer one deck of interior pipe 1 connect one deck ground introduces in the pipe 2 and also be fine.Here, the technology and the lining technology of producing interior pipe is coincide.For this reason, at first pipe is lined with air penetrability＜250ml/ (bar d m
2) interior pipe material.Utilize board pulling method or inversion method to carry out this lining technology, the explanation of the example of pipe in above-mentioned.When exerting pressure, the pipe material is pressed on the inwall of pipe 2 in making, and interior pipe material cannot surpass required maximum air penetrability.For example the pipe material meets this requirement in the multilayer, and the pipe material package contains the thermoplastic material coating of utilizing extrusion coating in the described multilayer.
On the internal surface of pipe material the time, consider board pulling method or inversion method once more in separation layer is applied to, interior pipe material is glued on the whole surface of tube wall.
Therefore, in this method, in pipe is lined with behind the pipe material, has on the internal surface of the internal surface of tubular lining of low air penetrability and/or interior pipe material and have Bond, according to principle shown in Figure 3, utilize method for turning that tubular lining is applied on the total inner surface of interior pipe material 1a.As for the material of tubular lining (all desirable for board pulling method or inversion method), the material of the separation layer of mentioning among the application that is useful on is all at the row of consideration.After lining technology, tubular lining forms separation layer, the additional layer of pipe material in the Bond between tubular lining and interior pipe material is counted as.
In pull-in method, in pipe is lined with behind the pipe material, provide Bond on the inwall of the pipe 2 of pipe material the outside of the tubular lining 1b with low air penetrability and/or in being lined with, tubular lining 1b is drawn in pipe 2, by exerting pressure to the inside of tubular lining 1b, tubular lining is bonded on the whole surface of interior pipe material 1a.Utilize and introduce auxiliary device, tubular lining 1b is drawn in the pipeline 2 that is lined with interior pipe material, described introducing auxiliary device structure is a low weight flexible pipe 5, as shown in Figure 2.At first, the tubular lining 1b here is U type ground and is positioned at the top of introducing auxiliary device 5, then, introduces auxiliary device and is drawn in the pipe 2 with tubular lining, after tubular lining has been deployed in the pipe 2, takes out from pipe 2 and introduces auxiliary device.By utilize introducing auxiliary device tubular lining being introduced in the pipe 2, can avoid the fold of tubular lining 1b or folding or tubular lining 1b friction and consequent damage the inwall of interior pipe material 1a.
Claims (30)
1. do the interior pipe of lining for the pipe (2) that under high pressure guides fluid, have interior pipe material (1a), described interior pipe material can utilize Bond to be adhesive on the tube wall,
It is characterized in that:
The separation layer (1b) that links with interior pipe material (1a) is arranged, for the air penetrability of non-polar gas material less than 1ml/ (bar d m
2) and/or for the air penetrability of polar gas material less than 0.1ml/ (bar d m
2).
2. according to the interior pipe of claim 1, it is characterized in that: for the air penetrability of nonpolar and polar gas material at 0.0001ml/ (bar d m
2) and 0.01ml/ (bar d m
2) between.
3. according to the interior pipe of claim 1 or 2, it is characterized in that: interior pipe material (1a) is the single or multiple lift structure, and overlays on another additional layer as separation layer.
4. according to the interior pipe of claim 3, it is characterized in that: interior pipe material (1a) is made of braided fiber, woollen yarn knitting fiber or other textile structural.
5. according to the interior pipe of claim 3, it is characterized in that: interior pipe material (1a) is for double-deck, and it is made of the braided fabric that has the thermoplastic material coating on it, knit goods or other textile structural.
6. according to the interior pipe of one of claim 1-4, it is characterized in that: separation layer (1b) is made of metal.
7. according to the interior pipe of claim 6, it is characterized in that: separation layer (1b) is made of aluminium, titanium, copper, zinc, nickel, lead, chromium, iron or iron-zinc and Lead-tin alloy.
8. according to the interior pipe of claim 7, it is characterized in that: the thickness of separation layer (1b) 10 and 100um between.
9. according to the interior pipe of one of claim 1-4, it is characterized in that: separation layer (1b) is made of polyvinyl alcohol, liquid-crystalline polymer, polyamide, polyacrylonitrile, polyvinyl dichloride or organo-silicon compound.
10. according to the interior pipe of one of claim 1-4, it is characterized in that: separation layer (1b) is made of the thermoplastic material that is mixed with alumina particles.
11. the interior pipe according to one of claim 1-4 is characterized in that: separation layer (1b) is made of inorganic substances.
12. the interior pipe according to claim 11 is characterized in that: separation layer (1b) is made of silica (SiOx, wherein x≤2) or aluminium oxide.
13. the interior pipe according to claim 3-12 is characterized in that: apply a protective layer at separation layer (1b) radially inner side.
14. the interior pipe according to claim 13 is characterized in that: separation layer (1b) is made of the mixture of polyurethane, polyester, polyolefin, thermoplastic styrene-butadiene or styrene-ethylene-propylene copolymer or polypropylene and cross-linked ethylene-propylene diene copolymerized thing.
15. the interior pipe according to one of claim 1-14 is characterized in that: Bond (3) forms at least a portion of separation layer.
16. the interior pipe according to one of claim 4-14 is characterized in that: fabric soaks into the material that forms at least a portion separation layer.
17. the interior pipe according to one of claim 4-16 is characterized in that: fabric itself is made up of low diffusion silk.
18. the interior pipe according to claim 17 is characterized in that: fabric is made of glass fibre or aramid fibre.
19. the production method according to the interior pipe of one of claim 1-18 is characterized in that: in separation layer (1b) is applied to or introduces in the pipe material (1a).
20. the method according to claim 19 is characterized in that: separation layer (1b) is applied on the interior pipe material (1a) by vacuum moulding machine.
21. the method according to claim 19 is characterized in that: separation layer (1b) is made of metal, and is applied on the interior pipe material (1a) by electroplanting device.
22. the method according to claim 19 is characterized in that: interior pipe material (1a) is helped pull a cart to have low air penetrability and is constituting on the tubular casing of separation layer (1b).
23. the method according to claim 19 is characterized in that: interior pipe material (1a) is drawn in the tubular casing that has low air penetrability and constitute separation layer.
24. method according to claim 19, it is characterized in that: for forming separation layer (1b), before interior pipe material (1a) enters pipe, the band shape paper tinsel of low air penetrability is wrapped on the interior pipe material (1a), perhaps after interior pipe material (1a) enters pipe, will be with the shape paper tinsel to cover on the interior pipe material (1a).
25. the method according to claim 19 is characterized in that: apply separation layer (1b) by extruding or dip-coating.
26. use the method for giving the pipe lining according to the interior pipe of one of claim 1-18, it is characterized in that: at first apparatus cated in the pipe material give the pipe lining, described coating to the air penetrability of polarity and non-polar gas material greater than 1ml/ (bar d m
2), separation layer is applied on the internal surface of interior pipe material afterwards.
27. the method according to claim 26 is characterized in that: separation layer (1b) is with in the liquid state spraying.
28. method according to claim 26, it is characterized in that: in pipe is lined with behind the pipe material, on the outside of tubular casing and/or tube wall, provide Bond, tubular casing has low air penetrability and constitutes separation layer, after this, tubular casing is drawn in pipe (2), and by exerting pressure to the inside of tubular casing (1b), tubular casing bonds on the basic total inner surface of interior pipe material (1a).
29. according to claim 19 or 28 method one of at least, it is characterized in that: flexibility is drawn in the introducing auxiliary device of pipe (5) as tubular casing (1b).
30. method according to claim 26, it is characterized in that: in pipe is lined with behind the pipe material (1a), on the internal surface of internal surface with tubular casing of low air penetrability (1b) and/or interior pipe material (1a), provide Bond, utilize inversion method that tubular casing (1b) is applied on the basic total inner surface of interior pipe material (1a).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19850227A DE19850227C1 (en) | 1998-10-26 | 1998-10-26 | Hose for lining pipes |
| DE19850227.3 | 1998-10-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1324439A true CN1324439A (en) | 2001-11-28 |
| CN1163684C CN1163684C (en) | 2004-08-25 |
Family
ID=7886257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB998126063A Expired - Fee Related CN1163684C (en) | 1998-10-26 | 1999-10-22 | Tubing for lining pipes and method for producing the same |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US6374862B1 (en) |
| EP (1) | EP1125082B1 (en) |
| JP (1) | JP2002528689A (en) |
| CN (1) | CN1163684C (en) |
| AT (1) | ATE257927T1 (en) |
| AU (1) | AU6475199A (en) |
| CA (1) | CA2348600C (en) |
| CZ (1) | CZ297628B6 (en) |
| DE (2) | DE19850227C1 (en) |
| EA (1) | EA002532B1 (en) |
| NO (1) | NO20011897D0 (en) |
| PL (1) | PL189154B1 (en) |
| WO (1) | WO2000025057A1 (en) |
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| DE102018001598A1 (en) | 2017-10-10 | 2019-04-11 | Brandenburger Patentverwertung GbR (vertretungsberechtigter Gesellschafter: Herr Tim Brandenburger, Taubensuhlstrasse 6 in 76829 Landau, DE) | Method and arrangement for the refurbishment of a line carrying a liquid or gaseous medium |
| DE102019100276A1 (en) | 2018-08-22 | 2020-02-27 | DCF Holding GmbH | Method and device for the rehabilitation of a pipe section of a pipeline system |
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- 1998-10-26 DE DE19850227A patent/DE19850227C1/en not_active Revoked
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- 1999-10-22 CA CA002348600A patent/CA2348600C/en not_active Expired - Fee Related
- 1999-10-22 WO PCT/EP1999/008011 patent/WO2000025057A1/en active IP Right Grant
- 1999-10-22 CZ CZ20011387A patent/CZ297628B6/en not_active IP Right Cessation
- 1999-10-22 CN CNB998126063A patent/CN1163684C/en not_active Expired - Fee Related
- 1999-10-22 JP JP2000578590A patent/JP2002528689A/en active Pending
- 1999-10-22 AU AU64751/99A patent/AU6475199A/en not_active Abandoned
- 1999-10-22 EP EP99952623A patent/EP1125082B1/en not_active Expired - Lifetime
- 1999-10-22 DE DE59908320T patent/DE59908320D1/en not_active Expired - Lifetime
- 1999-10-22 PL PL99347423A patent/PL189154B1/en not_active IP Right Cessation
- 1999-10-22 US US09/807,768 patent/US6374862B1/en not_active Expired - Lifetime
- 1999-10-22 AT AT99952623T patent/ATE257927T1/en not_active IP Right Cessation
-
2001
- 2001-04-17 NO NO20011897A patent/NO20011897D0/en not_active Application Discontinuation
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107743564A (en) * | 2015-04-14 | 2018-02-27 | 卡伊利兹控股有限公司 | For repairing the multiple tube of fluid line leaked, the method for producing this multiple tube and the method for the fluid line for being leaked with compound tubing patch |
| CN107743564B (en) * | 2015-04-14 | 2020-09-25 | 卡伊利兹控股有限公司 | Composite pipe for repairing a leaking fluid line, method for producing such a composite pipe and method for repairing a leaking fluid line with a composite pipe |
| CN107663930A (en) * | 2016-07-29 | 2018-02-06 | 住友化学株式会社 | Gutter repair member aluminium, gutter repair member plate-like structure and its manufacture method |
| CN110953410A (en) * | 2019-11-27 | 2020-04-03 | 成都龙之泉科技股份有限公司 | Non-excavation repair hose with rubber protective layer |
| CN110953410B (en) * | 2019-11-27 | 2022-03-29 | 成都龙之泉科技股份有限公司 | Non-excavation repair hose with rubber protective layer |
Also Published As
| Publication number | Publication date |
|---|---|
| AU6475199A (en) | 2000-05-15 |
| EP1125082A1 (en) | 2001-08-22 |
| CA2348600C (en) | 2009-01-06 |
| PL347423A1 (en) | 2002-04-08 |
| CZ297628B6 (en) | 2007-02-14 |
| NO20011897L (en) | 2001-04-17 |
| JP2002528689A (en) | 2002-09-03 |
| DE59908320D1 (en) | 2004-02-19 |
| ATE257927T1 (en) | 2004-01-15 |
| EA200100283A1 (en) | 2001-10-22 |
| CZ20011387A3 (en) | 2001-09-12 |
| EA002532B1 (en) | 2002-06-27 |
| CN1163684C (en) | 2004-08-25 |
| CA2348600A1 (en) | 2000-05-04 |
| WO2000025057A1 (en) | 2000-05-04 |
| US6374862B1 (en) | 2002-04-23 |
| PL189154B1 (en) | 2005-06-30 |
| EP1125082B1 (en) | 2004-01-14 |
| NO20011897D0 (en) | 2001-04-17 |
| DE19850227C1 (en) | 2000-06-21 |
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